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v3.23.2

Revenue from Contracts with Customers (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | $ 1,823 | $ 1,696 | $ 4,238 | $ 3,478 |  |
Alternative Revenue Programs | 5 | (40) | 42 | (67) |  |
Other Revenue | (7) | (6) | (11) | (13) |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 1,821 | 1,650 | 4,269 | 3,398 |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 6 | 25 | 26 | 33 |  |
Contract with Customer, Liability | 48 | 33 | 48 | 33 | $ 34 | $ 42
Contract with Customer, Liability, Revenue Recognized |  |  | 18 | 24 |  |
Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 779 | 699 | 2,079 | 1,630 |  |
Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 391 | 380 | 914 | 758 |  |
Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 175 | 198 | 371 | 367 |  |
Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 228 | 163 | 516 | 261 |  |
Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 4 | 8 | 11 | 14 |  |
Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 9 | 26 | 20 | 45 |  |
Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 235 | 176 | 358 | 323 |  |
Pennsylvania Regulated [Member] |  |  |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | 667 | 676 | 1,558 | 1,451 |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 668 | 650 | 1,558 | 1,385 |  |
Pennsylvania Regulated [Member] | Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 340 | 329 | 968 | 782 |  |
Pennsylvania Regulated [Member] | Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 105 | 117 | 253 | 225 |  |
Pennsylvania Regulated [Member] | Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 11 | 30 | 34 | 45 |  |
Pennsylvania Regulated [Member] | Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 13 | 14 | 26 | 26 |  |
Pennsylvania Regulated [Member] | Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Pennsylvania Regulated [Member] | Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Pennsylvania Regulated [Member] | Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 199 | 160 | 277 | 307 |  |
Kentucky Regulated [Member] |  |  |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | 778 | 883 | 1,738 | 1,887 |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 774 | 884 | 1,733 | 1,894 |  |
Kentucky Regulated [Member] | Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 298 | 339 | 741 | 817 |  |
Kentucky Regulated [Member] | Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 237 | 251 | 511 | 521 |  |
Kentucky Regulated [Member] | Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 160 | 167 | 324 | 321 |  |
Kentucky Regulated [Member] | Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 66 | 93 | 126 | 176 |  |
Kentucky Regulated [Member] | Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 4 | 8 | 11 | 14 |  |
Kentucky Regulated [Member] | Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 9 | 26 | 20 | 45 |  |
Kentucky Regulated [Member] | Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers |  | 0 | 0 | 0 |  |
Corporate and Other [Member] |  |  |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | 1 | 9 | 0 | 12 |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 9 | 0 | 12 |  |
Corporate and Other [Member] | Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Corporate and Other [Member] | Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Corporate and Other [Member] | Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Corporate and Other [Member] | Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 9 | 0 | 12 |  |
Corporate and Other [Member] | Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Corporate and Other [Member] | Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Corporate and Other [Member] | Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Rhode Island Regulated |  |  |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | 377 | 128 | 942 | 128 |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 379 | 107 | 978 | 107 |  |
Rhode Island Regulated | Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 141 | 31 | 370 | 31 |  |
Rhode Island Regulated | Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 49 | 12 | 150 | 12 |  |
Rhode Island Regulated | Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 4 | 1 | 13 | 1 |  |
Rhode Island Regulated | Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 149 | 47 | 364 | 47 |  |
Rhode Island Regulated | Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Rhode Island Regulated | Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Rhode Island Regulated | Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 36 | 16 | 81 | 16 |  |
PPL Electric [Member] |  |  |  |  |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |  |  |  |
Amortization of Revenue Reserve for ROE Challenge | 30 |  | 74 |  |  |
PPL Electric Utilities Corp [Member] |  |  |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | 667 | 676 | 1,558 | 1,451 |  |
Alternative Revenue Programs | 6 | (23) | 7 | (59) |  |
Other Revenue | (5) | (3) | (7) | (7) |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 668 | 650 | 1,558 | 1,385 |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 7 | 0 | 17 | 5 |  |
Contract with Customer, Liability | 35 | 16 | 35 | 16 | 23 | 25
Contract with Customer, Liability, Revenue Recognized |  |  | 7 | 12 |  |
Amortization of Revenue Reserve for ROE Challenge | 30 |  | 74 |  |  |
PPL Electric Utilities Corp [Member] | Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 340 | 329 | 968 | 782 |  |
PPL Electric Utilities Corp [Member] | Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 105 | 117 | 253 | 225 |  |
PPL Electric Utilities Corp [Member] | Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 11 | 30 | 34 | 45 |  |
PPL Electric Utilities Corp [Member] | Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 13 | 14 | 26 | 26 |  |
PPL Electric Utilities Corp [Member] | Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
PPL Electric Utilities Corp [Member] | Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
PPL Electric Utilities Corp [Member] | Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 199 | 160 | 277 | 307 |  |
Louisville Gas And Electric Co [Member] |  |  |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | 355 | 410 | 829 | 903 |  |
Alternative Revenue Programs | 0 | 3 | 1 | 9 |  |
Other Revenue | (1) | (2) | (2) | (4) |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 354 | 411 | 828 | 908 |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 0 | 1 | 1 | 2 |  |
Contract with Customer, Liability | 6 | 6 | 6 | 6 | 5 | 6
Contract with Customer, Liability, Revenue Recognized |  |  | 5 | 6 |  |
Louisville Gas And Electric Co [Member] | Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 151 | 169 | 392 | 415 |  |
Louisville Gas And Electric Co [Member] | Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 119 | 124 | 271 | 270 |  |
Louisville Gas And Electric Co [Member] | Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 47 | 49 | 96 | 94 |  |
Louisville Gas And Electric Co [Member] | Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 26 | 47 | 42 | 86 |  |
Louisville Gas And Electric Co [Member] | Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Louisville Gas And Electric Co [Member] | Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 11 | 22 | 27 | 43 |  |
Louisville Gas And Electric Co [Member] | Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |
Kentucky Utilities Co [Member] |  |  |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |  |  |
Operating Revenues | 435 | 491 | 934 | 1,016 |  |
Alternative Revenue Programs | (3) | 1 | (3) | 4 |  |
Other Revenue | (1) | (2) | (2) | (3) |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 431 | 490 | 929 | 1,017 |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 1 | 1 | 1 | 2 |  |
Contract with Customer, Liability | 7 | 5 | 7 | 5 | $ 6 | $ 6
Contract with Customer, Liability, Revenue Recognized |  |  | 6 | 6 |  |
Kentucky Utilities Co [Member] | Residential [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 147 | 170 | 349 | 402 |  |
Kentucky Utilities Co [Member] | Commercial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 117 | 127 | 240 | 251 |  |
Kentucky Utilities Co [Member] | Industrial [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 113 | 118 | 228 | 227 |  |
Kentucky Utilities Co [Member] | Other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 40 | 45 | 84 | 89 |  |
Kentucky Utilities Co [Member] | Wholesale - municipal [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 4 | 8 | 11 | 14 |  |
Kentucky Utilities Co [Member] | Wholesale - other [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | 10 | 22 | 17 | 34 |  |
Kentucky Utilities Co [Member] | Transmission [Member] |  |  |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |  |  |
Revenues from Contracts with Customers | $ 0 | $ 0 | $ 0 | $ 0 |  |

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